Rowing machine



FIG. 1 is a first perspective view of an ornamental design for the rowing machine showing our new design;

FIG. 2 is a second perspective view of the rowing machine thereof;

FIG. 3 is a front view of the rowing machine thereof;

FIG. 4 is a rear view of the rowing machine thereof;

FIG. 5 is a left side view of the rowing machine thereof;

FIG. 6 is a right side view of the rowing machine thereof;

FIG. 7 is a top plan view of the rowing machine thereof;

FIG. 8 is a bottom plan view of the rowing machine thereof;

FIG. 9 is a partial enlarged view of the portion 9 in FIG. 1 of the rowing machine thereof;

FIG. 10 is a partial enlarged view of the portion 10 in FIG. 1 of the rowing machine thereof; and,

FIG. 11 is a partial enlarged view of the portion 11 in FIG. 1 of the rowing machine according to our design.

The dashed broken lines are for the purpose of illustrating portions of the rowing machine, and the dot-dash broken lines represent an unclaimed boundary; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a rowing machine, as shown and described. 